Cita APA (7a ed.)

Howell, J. C. 1. (1994). Recent gang research: Program and policy implications. Crime & delinquency, 40(4), 495-515. doi:10.1177/0011128794040004002

Cita Chicago Style (17a ed.)

Howell, James C. 19XX-. "Recent Gang Research: Program and Policy Implications." Crime & Delinquency 40, no. 4 (1994): 495-515. https://doi.org/10.1177/0011128794040004002.

Cita MLA (9a ed.)

Howell, James C. 19XX-. "Recent Gang Research: Program and Policy Implications." Crime & Delinquency, vol. 40, no. 4, 1994, pp. 495-515, https://doi.org/10.1177/0011128794040004002.